2,833 research outputs found
The mixed economy for medical services in Herefordshire c. 1770 - c. 1850
This study considers the mixed economy for medical services in Herefordshire between 1770 and 1850. Medical services were an integral part of wider systems of welfare and were provided within a mixed economy that included private practice, state provision, philanthropic activities and mutual societies. Significant resources were spent within the sector and influence over their deployment was of direct interest to parishes, the municipal council, magistrates, philanthropists and individual members of the elite. Four types of medical services are reviewed. These are the provision of personal care by medical practitioners in the private, public and charitable sectors, the establishment of Hereford General Infirmary, changes in institutional services for the insane and developments in public health.
Two underlying themes are discussed throughout the thesis. The first of these is the complexity of the mixed economy for medical services. Important changes over the period are identified and the interrelationships between the various sectors investigated. The dominance of public, private or charitable provision shifted in the period as a result of both national and local factors.
The second theme explored is the interplay between politics and the systems and institutions providing medical services. The importance of political considerations in shaping local policy towards medical services is demonstrated through detailed case studies. These include examining the link between the launch of the subscription appeal for Hereford Infirmary and the parliamentary election campaign in 1774, approaches taken towards the management of the cholera epidemic of 1832 and the campaign to establish a public lunatic asylum in the late 1830s
The mixed economy for medical services in Herefordshire c. 1770 - c. 1850
This study considers the mixed economy for medical services in Herefordshire between 1770 and 1850. Medical services were an integral part of wider systems of welfare and were provided within a mixed economy that included private practice, state provision, philanthropic activities and mutual societies. Significant resources were spent within the sector and influence over their deployment was of direct interest to parishes, the municipal council, magistrates, philanthropists and individual members of the elite. Four types of medical services are reviewed. These are the provision of personal care by medical practitioners in the private, public and charitable sectors, the establishment of Hereford General Infirmary, changes in institutional services for the insane and developments in public health. Two underlying themes are discussed throughout the thesis. The first of these is the complexity of the mixed economy for medical services. Important changes over the period are identified and the interrelationships between the various sectors investigated. The dominance of public, private or charitable provision shifted in the period as a result of both national and local factors. The second theme explored is the interplay between politics and the systems and institutions providing medical services. The importance of political considerations in shaping local policy towards medical services is demonstrated through detailed case studies. These include examining the link between the launch of the subscription appeal for Hereford Infirmary and the parliamentary election campaign in 1774, approaches taken towards the management of the cholera epidemic of 1832 and the campaign to establish a public lunatic asylum in the late 1830s.EThOS - Electronic Theses Online ServiceWellcome TrustGBUnited Kingdo
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Improved chemistry restraints for crystallographic refinement by integrating the Amber force field into Phenix.
The refinement of biomolecular crystallographic models relies on geometric restraints to help to address the paucity of experimental data typical in these experiments. Limitations in these restraints can degrade the quality of the resulting atomic models. Here, an integration of the full all-atom Amber molecular-dynamics force field into Phenix crystallographic refinement is presented, which enables more complete modeling of biomolecular chemistry. The advantages of the force field include a carefully derived set of torsion-angle potentials, an extensive and flexible set of atom types, Lennard-Jones treatment of nonbonded interactions and a full treatment of crystalline electrostatics. The new combined method was tested against conventional geometry restraints for over 22 000 protein structures. Structures refined with the new method show substantially improved model quality. On average, Ramachandran and rotamer scores are somewhat better, clashscores and MolProbity scores are significantly improved, and the modeling of electrostatics leads to structures that exhibit more, and more correct, hydrogen bonds than those refined using traditional geometry restraints. In general it is found that model improvements are greatest at lower resolutions, prompting plans to add the Amber target function to real-space refinement for use in electron cryo-microscopy. This work opens the door to the future development of more advanced applications such as Amber-based ensemble refinement, quantum-mechanical representation of active sites and improved geometric restraints for simulated annealing
Hurricanes and hashtags: Characterizing online collective attention for natural disasters
We study collective attention paid towards hurricanes through the lens of
-grams on Twitter, a social media platform with global reach. Using
hurricane name mentions as a proxy for awareness, we find that the exogenous
temporal dynamics are remarkably similar across storms, but that overall
collective attention varies widely even among storms causing comparable deaths
and damage. We construct `hurricane attention maps' and observe that hurricanes
causing deaths on (or economic damage to) the continental United States
generate substantially more attention in English language tweets than those
that do not. We find that a hurricane's Saffir-Simpson wind scale category
assignment is strongly associated with the amount of attention it receives.
Higher category storms receive higher proportional increases of attention per
proportional increases in number of deaths or dollars of damage, than lower
category storms. The most damaging and deadly storms of the 2010s, Hurricanes
Harvey and Maria, generated the most attention and were remembered the longest,
respectively. On average, a category 5 storm receives 4.6 times more attention
than a category 1 storm causing the same number of deaths and economic damage.Comment: 31 pages (14 main, 17 Supplemental), 19 figures (5 main, 14 appendix
Impact of SARS-CoV-2 on incidence, treatment and outcome of very preterm born infants in Switzerland: a retrospective, population-based cohort study.
AIMS OF THE STUDY
To assess whether the COVID-19 pandemic caused by SARS-CoV-2 had an impact on incidence, treatment or major adverse short-term outcome of preterm-born infants in Switzerland.
METHODS
Retrospective cohort study of preterm infants born in 2020 based on two independent data sources from the Swiss Federal Statistics Office (FSO) and SwissNeoNet. Based on FSO data, we calculated the odds ratios for extremely preterm (22-27 weeks gestation), very preterm (28-31 weeks gestation), and late preterm (32-36 weeks gestation) births during the pandemic. Based on SwissNeoNet data of infants born between 22 and 31 weeks gestation, we compared infants born during the Swiss lockdown period in 2020 with infants born during the same period between 2015 and 2019, all infants of 2020 with all infants between 2015 and 2019 and infants born to mothers tested SARS-CoV-2 positive and negative. Possible associations with the pandemic were tested using logistic regression adjusted for case-mix. As a control, we compared births of 2019 with those of 2015-2018.
RESULTS
The FSO data revealed equivalent odds for extremely preterm births in 2020 (odds ratio [OR] 1.01, 95% confidence interval [CI] 0.89-1.14), as well as somewhat lower odds ratios for very preterm (OR 0.9, 95% CI 0.82-1.00) and late preterm (OR 0.91, 95% CI 0.88-0.93) births in 2020. A comparison between 2019 and 2015-2018, however, revealed matching odds ratios rendering an association to the pandemic unlikely. In the SwissNeoNet data, 137 infants were born during lockdown in 2020 compared with 134 births per year during 2015-2019. When including all infants, 744 infants were compared to 845 births, respectively. The only difference observed in treatments and short term outcomes between 2020 and the reference years were a higher odds for respiratory distress syndrome (OR 1.6, 95% CI 1.08-2.37) and provision of continuous positive airway pressure (CPAP) (OR 1.39, 95% CI 1.05-1.84).
CONCLUSIONS
Our Swiss population-based analysis did not identify the elsewhere reported association between the COVID-19 pandemic and a reduced preterm birth rate. However, we can confirm a possible link between the COVID-19 pandemic and higher odds of respiratory distress syndrome, possibly coupled with CPAP requirements. Further observation of potential effects of the pandemic on health and health care provision to newborns may however be indicated based on the literature available so far and that our data only covers the first 9 months of the current pandemic
Association between Hospital Admissions and Healthcare Provider Communication for Individuals with Sickle Cell Disease
Objective: To test the hypothesis that caregivers’ or adult participants’ low ratings of provider communication are associated with more hospital admissions among adults and children with sickle cell disease (SCD), respectively. Secondarily, we determined whether there was an association between the caregivers’ or participants’ health literacy and rating of providers’ communication.
Methods: Primary data were collected from participants through surveys between 2014 and 2016, across six sickle cell centers throughout the U.S. In this cross-sectional cohort study, 211 adults with SCD and 331 caregivers of children with SCD completed surveys evaluating provider communication using the Consumer Assessment of Healthcare Providers and Systems (CAHPS), healthcare utilization, health literacy, and other sociodemographic and behavioral variables. Analyses included descriptive statistics, bivariate analyses, and logistic regression.
Results: Participants with better ratings of provider communication were less likely to be hospitalized (odds ratio (OR) = 0.54, 95% confidence interval (CI) = [0.35, 0.83]). Positive ratings of provider communication were associated with fewer readmissions for children (OR = 0.23, 95% CI = [0.09, 0.57]). Participants with better ratings of provider communication were less likely to rate their health literacy as lower (regression coefficient (B) = −0.28, 95% CI = [−0.46, −0.10]).
Conclusions: Low ratings of provider communication were associated with more hospitalizations and readmissions in SCD, suggesting the need for interventions targeted at improving patient-provider communication which could decrease hospitalizations for this population
Impact of SARS-CoV-2 on incidence, treatment and outcome of very preterm born infants in Switzerland: a retrospective, population-based cohort study
AIMS OF THE STUDY: To assess whether the COVID-19 pandemic caused by SARS-CoV-2 had an impact on incidence, treatment or major adverse short-term outcome of preterm-born infants in Switzerland.
METHODS: Retrospective cohort study of preterm infants born in 2020 based on two independent data sources from the Swiss Federal Statistics Office (FSO) and SwissNeoNet. Based on FSO data, we calculated the odds ratios for extremely preterm (22-27 weeks gestation), very preterm (28-31 weeks gestation), and late preterm (32-36 weeks gestation) births during the pandemic. Based on SwissNeoNet data of infants born between 22 and 31 weeks gestation, we compared infants born during the Swiss lockdown period in 2020 with infants born during the same period between 2015 and 2019, all infants of 2020 with all infants between 2015 and 2019 and infants born to mothers tested SARS-CoV-2 positive and negative. Possible associations with the pandemic were tested using logistic regression adjusted for case-mix. As a control, we compared births of 2019 with those of 2015-2018.
RESULTS: The FSO data revealed equivalent odds for extremely preterm births in 2020 (odds ratio [OR] 1.01, 95% confidence interval [CI] 0.89-1.14), as well as somewhat lower odds ratios for very preterm (OR 0.9, 95% CI 0.82-1.00) and late preterm (OR 0.91, 95% CI 0.88-0.93) births in 2020. A comparison between 2019 and 2015-2018, however, revealed matching odds ratios rendering an association to the pandemic unlikely. In the SwissNeoNet data, 137 infants were born during lockdown in 2020 compared with 134 births per year during 2015-2019. When including all infants, 744 infants were compared to 845 births, respectively. The only difference observed in treatments and short term outcomes between 2020 and the reference years were a higher odds for respiratory distress syndrome (OR 1.6, 95% CI 1.08-2.37) and provision of continuous positive airway pressure (CPAP) (OR 1.39, 95% CI 1.05-1.84).
CONCLUSIONS: Our Swiss population-based analysis did not identify the elsewhere reported association between the COVID-19 pandemic and a reduced preterm birth rate. However, we can confirm a possible link between the COVID-19 pandemic and higher odds of respiratory distress syndrome, possibly coupled with CPAP requirements. Further observation of potential effects of the pandemic on health and health care provision to newborns may however be indicated based on the literature available so far and that our data only covers the first 9 months of the current pandemic
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